mirror of
https://github.com/reactos/reactos.git
synced 2024-10-31 03:48:17 +00:00
439 lines
12 KiB
C
439 lines
12 KiB
C
/*
|
|
* PROJECT: ReactOS IMM32
|
|
* LICENSE: LGPL-2.1-or-later (https://spdx.org/licenses/LGPL-2.1-or-later)
|
|
* PURPOSE: Implementing IMM32 candidate lists
|
|
* COPYRIGHT: Copyright 2020-2021 Katayama Hirofumi MZ <katayama.hirofumi.mz@gmail.com>
|
|
*/
|
|
|
|
#include "precomp.h"
|
|
|
|
WINE_DEFAULT_DEBUG_CHANNEL(imm);
|
|
|
|
// Win: InternalGetCandidateListWtoA
|
|
DWORD APIENTRY
|
|
CandidateListWideToAnsi(const CANDIDATELIST *pWideCL, LPCANDIDATELIST pAnsiCL, DWORD dwBufLen,
|
|
UINT uCodePage)
|
|
{
|
|
BOOL bUsedDefault;
|
|
DWORD dwSize, dwIndex, cbGot, cbLeft;
|
|
const BYTE *pbWide;
|
|
LPBYTE pbAnsi;
|
|
LPDWORD pibOffsets;
|
|
|
|
/* calculate total ansi size */
|
|
if (pWideCL->dwCount > 0)
|
|
{
|
|
dwSize = sizeof(CANDIDATELIST) + ((pWideCL->dwCount - 1) * sizeof(DWORD));
|
|
for (dwIndex = 0; dwIndex < pWideCL->dwCount; ++dwIndex)
|
|
{
|
|
pbWide = (const BYTE *)pWideCL + pWideCL->dwOffset[dwIndex];
|
|
cbGot = WideCharToMultiByte(uCodePage, 0, (LPCWSTR)pbWide, -1, NULL, 0,
|
|
NULL, &bUsedDefault);
|
|
dwSize += cbGot;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
dwSize = sizeof(CANDIDATELIST);
|
|
}
|
|
|
|
dwSize = ROUNDUP4(dwSize);
|
|
if (dwBufLen == 0)
|
|
return dwSize;
|
|
if (dwBufLen < dwSize)
|
|
return 0;
|
|
|
|
/* store to ansi */
|
|
pAnsiCL->dwSize = dwBufLen;
|
|
pAnsiCL->dwStyle = pWideCL->dwStyle;
|
|
pAnsiCL->dwCount = pWideCL->dwCount;
|
|
pAnsiCL->dwSelection = pWideCL->dwSelection;
|
|
pAnsiCL->dwPageStart = pWideCL->dwPageStart;
|
|
pAnsiCL->dwPageSize = pWideCL->dwPageSize;
|
|
|
|
pibOffsets = pAnsiCL->dwOffset;
|
|
if (pWideCL->dwCount > 0)
|
|
{
|
|
pibOffsets[0] = sizeof(CANDIDATELIST) + ((pWideCL->dwCount - 1) * sizeof(DWORD));
|
|
cbLeft = dwBufLen - pibOffsets[0];
|
|
|
|
for (dwIndex = 0; dwIndex < pWideCL->dwCount; ++dwIndex)
|
|
{
|
|
pbWide = (const BYTE *)pWideCL + pWideCL->dwOffset[dwIndex];
|
|
pbAnsi = (LPBYTE)pAnsiCL + pibOffsets[dwIndex];
|
|
|
|
/* convert to ansi */
|
|
cbGot = WideCharToMultiByte(uCodePage, 0, (LPCWSTR)pbWide, -1,
|
|
(LPSTR)pbAnsi, cbLeft, NULL, &bUsedDefault);
|
|
cbLeft -= cbGot;
|
|
|
|
if (dwIndex < pWideCL->dwCount - 1)
|
|
pibOffsets[dwIndex + 1] = pibOffsets[dwIndex] + cbGot;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pibOffsets[0] = sizeof(CANDIDATELIST);
|
|
}
|
|
|
|
return dwBufLen;
|
|
}
|
|
|
|
// Win: InternalGetCandidateListAtoW
|
|
DWORD APIENTRY
|
|
CandidateListAnsiToWide(const CANDIDATELIST *pAnsiCL, LPCANDIDATELIST pWideCL, DWORD dwBufLen,
|
|
UINT uCodePage)
|
|
{
|
|
DWORD dwSize, dwIndex, cchGot, cbGot, cbLeft;
|
|
const BYTE *pbAnsi;
|
|
LPBYTE pbWide;
|
|
LPDWORD pibOffsets;
|
|
|
|
/* calculate total wide size */
|
|
if (pAnsiCL->dwCount > 0)
|
|
{
|
|
dwSize = sizeof(CANDIDATELIST) + ((pAnsiCL->dwCount - 1) * sizeof(DWORD));
|
|
for (dwIndex = 0; dwIndex < pAnsiCL->dwCount; ++dwIndex)
|
|
{
|
|
pbAnsi = (const BYTE *)pAnsiCL + pAnsiCL->dwOffset[dwIndex];
|
|
cchGot = MultiByteToWideChar(uCodePage, MB_PRECOMPOSED, (LPCSTR)pbAnsi, -1, NULL, 0);
|
|
dwSize += cchGot * sizeof(WCHAR);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
dwSize = sizeof(CANDIDATELIST);
|
|
}
|
|
|
|
dwSize = ROUNDUP4(dwSize);
|
|
if (dwBufLen == 0)
|
|
return dwSize;
|
|
if (dwBufLen < dwSize)
|
|
return 0;
|
|
|
|
/* store to wide */
|
|
pWideCL->dwSize = dwBufLen;
|
|
pWideCL->dwStyle = pAnsiCL->dwStyle;
|
|
pWideCL->dwCount = pAnsiCL->dwCount;
|
|
pWideCL->dwSelection = pAnsiCL->dwSelection;
|
|
pWideCL->dwPageStart = pAnsiCL->dwPageStart;
|
|
pWideCL->dwPageSize = pAnsiCL->dwPageSize;
|
|
|
|
pibOffsets = pWideCL->dwOffset;
|
|
if (pAnsiCL->dwCount > 0)
|
|
{
|
|
pibOffsets[0] = sizeof(CANDIDATELIST) + ((pWideCL->dwCount - 1) * sizeof(DWORD));
|
|
cbLeft = dwBufLen - pibOffsets[0];
|
|
|
|
for (dwIndex = 0; dwIndex < pAnsiCL->dwCount; ++dwIndex)
|
|
{
|
|
pbAnsi = (const BYTE *)pAnsiCL + pAnsiCL->dwOffset[dwIndex];
|
|
pbWide = (LPBYTE)pWideCL + pibOffsets[dwIndex];
|
|
|
|
/* convert to wide */
|
|
cchGot = MultiByteToWideChar(uCodePage, MB_PRECOMPOSED, (LPCSTR)pbAnsi, -1,
|
|
(LPWSTR)pbWide, cbLeft / sizeof(WCHAR));
|
|
cbGot = cchGot * sizeof(WCHAR);
|
|
cbLeft -= cbGot;
|
|
|
|
if (dwIndex + 1 < pAnsiCL->dwCount)
|
|
pibOffsets[dwIndex + 1] = pibOffsets[dwIndex] + cbGot;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
pibOffsets[0] = sizeof(CANDIDATELIST);
|
|
}
|
|
|
|
return dwBufLen;
|
|
}
|
|
|
|
// Win: ImmGetCandidateListWorker
|
|
static DWORD APIENTRY
|
|
ImmGetCandidateListAW(HIMC hIMC, DWORD dwIndex, LPCANDIDATELIST lpCandList, DWORD dwBufLen,
|
|
BOOL bAnsi)
|
|
{
|
|
DWORD dwSize, ret = 0;
|
|
UINT uCodePage;
|
|
LPINPUTCONTEXT pIC;
|
|
PCLIENTIMC pClientImc;
|
|
LPCANDIDATEINFO pCI;
|
|
LPCANDIDATELIST pCL;
|
|
|
|
pClientImc = ImmLockClientImc(hIMC);
|
|
if (IS_NULL_UNEXPECTEDLY(pClientImc))
|
|
return 0;
|
|
|
|
uCodePage = pClientImc->uCodePage;
|
|
pIC = ImmLockIMC(hIMC);
|
|
if (IS_NULL_UNEXPECTEDLY(pIC))
|
|
{
|
|
ImmUnlockClientImc(pClientImc);
|
|
return 0;
|
|
}
|
|
|
|
pCI = ImmLockIMCC(pIC->hCandInfo);
|
|
if (IS_NULL_UNEXPECTEDLY(pCI))
|
|
{
|
|
ImmUnlockIMC(hIMC);
|
|
ImmUnlockClientImc(pClientImc);
|
|
return 0;
|
|
}
|
|
|
|
if (pCI->dwSize < sizeof(CANDIDATEINFO))
|
|
{
|
|
ERR("Too small\n");
|
|
goto Quit;
|
|
}
|
|
|
|
if (pCI->dwCount <= dwIndex)
|
|
{
|
|
ERR("Out of boundary\n");
|
|
goto Quit;
|
|
}
|
|
|
|
/* get required size */
|
|
pCL = (LPCANDIDATELIST)((LPBYTE)pCI + pCI->dwOffset[dwIndex]);
|
|
if (bAnsi)
|
|
{
|
|
if (pClientImc->dwFlags & CLIENTIMC_WIDE)
|
|
dwSize = CandidateListAnsiToWide(pCL, NULL, 0, uCodePage);
|
|
else
|
|
dwSize = pCL->dwSize;
|
|
}
|
|
else
|
|
{
|
|
if (pClientImc->dwFlags & CLIENTIMC_WIDE)
|
|
dwSize = pCL->dwSize;
|
|
else
|
|
dwSize = CandidateListWideToAnsi(pCL, NULL, 0, uCodePage);
|
|
}
|
|
|
|
if (dwBufLen != 0 && dwSize != 0)
|
|
{
|
|
if (lpCandList == NULL || dwBufLen < dwSize)
|
|
goto Quit;
|
|
|
|
/* store */
|
|
if (bAnsi)
|
|
{
|
|
if (pClientImc->dwFlags & CLIENTIMC_WIDE)
|
|
CandidateListAnsiToWide(pCL, lpCandList, dwSize, uCodePage);
|
|
else
|
|
RtlCopyMemory(lpCandList, pCL, dwSize);
|
|
}
|
|
else
|
|
{
|
|
if (pClientImc->dwFlags & CLIENTIMC_WIDE)
|
|
RtlCopyMemory(lpCandList, pCL, dwSize);
|
|
else
|
|
CandidateListWideToAnsi(pCL, lpCandList, dwSize, uCodePage);
|
|
}
|
|
}
|
|
|
|
ret = dwSize;
|
|
|
|
Quit:
|
|
ImmUnlockIMCC(pIC->hCandInfo);
|
|
ImmUnlockIMC(hIMC);
|
|
ImmUnlockClientImc(pClientImc);
|
|
TRACE("ret: 0x%X\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
// Win: ImmGetCandidateListCountWorker
|
|
DWORD APIENTRY
|
|
ImmGetCandidateListCountAW(HIMC hIMC, LPDWORD lpdwListCount, BOOL bAnsi)
|
|
{
|
|
DWORD ret = 0, cbGot, dwIndex;
|
|
PCLIENTIMC pClientImc;
|
|
LPINPUTCONTEXT pIC;
|
|
UINT uCodePage;
|
|
const CANDIDATEINFO *pCI;
|
|
const BYTE *pb;
|
|
const CANDIDATELIST *pCL;
|
|
const DWORD *pdwOffsets;
|
|
|
|
if (IS_NULL_UNEXPECTEDLY(lpdwListCount))
|
|
return 0;
|
|
|
|
*lpdwListCount = 0;
|
|
|
|
pClientImc = ImmLockClientImc(hIMC);
|
|
if (IS_NULL_UNEXPECTEDLY(pClientImc))
|
|
return 0;
|
|
|
|
pIC = ImmLockIMC(hIMC);
|
|
if (IS_NULL_UNEXPECTEDLY(pIC))
|
|
{
|
|
ImmUnlockClientImc(pClientImc);
|
|
return 0;
|
|
}
|
|
|
|
uCodePage = pClientImc->uCodePage;
|
|
|
|
pCI = ImmLockIMCC(pIC->hCandInfo);
|
|
if (IS_NULL_UNEXPECTEDLY(pCI))
|
|
{
|
|
ImmUnlockIMC(hIMC);
|
|
ImmUnlockClientImc(pClientImc);
|
|
return 0;
|
|
}
|
|
|
|
if (pCI->dwSize < sizeof(CANDIDATEINFO))
|
|
{
|
|
ERR("Too small\n");
|
|
goto Quit;
|
|
}
|
|
|
|
*lpdwListCount = pCI->dwCount; /* the number of candidate lists */
|
|
|
|
/* calculate total size of candidate lists */
|
|
if (bAnsi)
|
|
{
|
|
if (pClientImc->dwFlags & CLIENTIMC_WIDE)
|
|
{
|
|
ret = ROUNDUP4(pCI->dwPrivateSize);
|
|
pdwOffsets = pCI->dwOffset;
|
|
for (dwIndex = 0; dwIndex < pCI->dwCount; ++dwIndex)
|
|
{
|
|
pb = (const BYTE *)pCI + pdwOffsets[dwIndex];
|
|
pCL = (const CANDIDATELIST *)pb;
|
|
cbGot = CandidateListWideToAnsi(pCL, NULL, 0, uCodePage);
|
|
ret += cbGot;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
ret = pCI->dwSize;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (pClientImc->dwFlags & CLIENTIMC_WIDE)
|
|
{
|
|
ret = pCI->dwSize;
|
|
}
|
|
else
|
|
{
|
|
ret = ROUNDUP4(pCI->dwPrivateSize);
|
|
pdwOffsets = pCI->dwOffset;
|
|
for (dwIndex = 0; dwIndex < pCI->dwCount; ++dwIndex)
|
|
{
|
|
pb = (const BYTE *)pCI + pdwOffsets[dwIndex];
|
|
pCL = (const CANDIDATELIST *)pb;
|
|
cbGot = CandidateListAnsiToWide(pCL, NULL, 0, uCodePage);
|
|
ret += cbGot;
|
|
}
|
|
}
|
|
}
|
|
|
|
Quit:
|
|
ImmUnlockIMCC(pIC->hCandInfo);
|
|
ImmUnlockIMC(hIMC);
|
|
ImmUnlockClientImc(pClientImc);
|
|
TRACE("ret: 0x%X\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* ImmGetCandidateListA (IMM32.@)
|
|
*/
|
|
DWORD WINAPI
|
|
ImmGetCandidateListA(HIMC hIMC, DWORD dwIndex, LPCANDIDATELIST lpCandList, DWORD dwBufLen)
|
|
{
|
|
return ImmGetCandidateListAW(hIMC, dwIndex, lpCandList, dwBufLen, TRUE);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* ImmGetCandidateListCountA (IMM32.@)
|
|
*/
|
|
DWORD WINAPI ImmGetCandidateListCountA(HIMC hIMC, LPDWORD lpdwListCount)
|
|
{
|
|
return ImmGetCandidateListCountAW(hIMC, lpdwListCount, TRUE);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* ImmGetCandidateListCountW (IMM32.@)
|
|
*/
|
|
DWORD WINAPI ImmGetCandidateListCountW(HIMC hIMC, LPDWORD lpdwListCount)
|
|
{
|
|
return ImmGetCandidateListCountAW(hIMC, lpdwListCount, FALSE);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* ImmGetCandidateListW (IMM32.@)
|
|
*/
|
|
DWORD WINAPI
|
|
ImmGetCandidateListW(HIMC hIMC, DWORD dwIndex, LPCANDIDATELIST lpCandList, DWORD dwBufLen)
|
|
{
|
|
return ImmGetCandidateListAW(hIMC, dwIndex, lpCandList, dwBufLen, FALSE);
|
|
}
|
|
|
|
/***********************************************************************
|
|
* ImmGetCandidateWindow (IMM32.@)
|
|
*/
|
|
BOOL WINAPI
|
|
ImmGetCandidateWindow(HIMC hIMC, DWORD dwIndex, LPCANDIDATEFORM lpCandidate)
|
|
{
|
|
BOOL ret = FALSE;
|
|
LPINPUTCONTEXT pIC;
|
|
LPCANDIDATEFORM pCF;
|
|
|
|
TRACE("(%p, %lu, %p)\n", hIMC, dwIndex, lpCandidate);
|
|
|
|
if (dwIndex >= MAX_CANDIDATEFORM) /* Windows didn't check but we do for security reason */
|
|
{
|
|
ERR("Out of boundary\n");
|
|
return FALSE;
|
|
}
|
|
|
|
pIC = ImmLockIMC(hIMC);
|
|
if (IS_NULL_UNEXPECTEDLY(pIC))
|
|
return FALSE;
|
|
|
|
pCF = &pIC->cfCandForm[dwIndex];
|
|
if (pCF->dwIndex != IMM_INVALID_CANDFORM)
|
|
{
|
|
*lpCandidate = *pCF;
|
|
ret = TRUE;
|
|
}
|
|
|
|
ImmUnlockIMC(hIMC);
|
|
TRACE("ret: %d\n", ret);
|
|
return ret;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* ImmSetCandidateWindow (IMM32.@)
|
|
*/
|
|
BOOL WINAPI ImmSetCandidateWindow(HIMC hIMC, LPCANDIDATEFORM lpCandidate)
|
|
{
|
|
HWND hWnd;
|
|
LPINPUTCONTEXT pIC;
|
|
|
|
TRACE("(%p, %p)\n", hIMC, lpCandidate);
|
|
|
|
if (lpCandidate->dwIndex >= MAX_CANDIDATEFORM)
|
|
{
|
|
ERR("Out of boundary\n");
|
|
return FALSE;
|
|
}
|
|
|
|
if (IS_CROSS_THREAD_HIMC(hIMC))
|
|
return FALSE;
|
|
|
|
pIC = ImmLockIMC(hIMC);
|
|
if (IS_NULL_UNEXPECTEDLY(pIC))
|
|
return FALSE;
|
|
|
|
hWnd = pIC->hWnd;
|
|
pIC->cfCandForm[lpCandidate->dwIndex] = *lpCandidate;
|
|
|
|
ImmUnlockIMC(hIMC);
|
|
|
|
Imm32MakeIMENotify(hIMC, hWnd, NI_CONTEXTUPDATED, 0, IMC_SETCANDIDATEPOS,
|
|
IMN_SETCANDIDATEPOS, (1 << (BYTE)lpCandidate->dwIndex));
|
|
return TRUE;
|
|
}
|